Land | 15 | |
Surface Waters / Wetlands | 8 | |
Weather | 6 | |
Plants / Kelp | 4 | |
Atmosphere | 3 | |
Groundwater | 3 | |
Air | 1 | |
Land Mammals | 1 | |
Ocean / Sea | 1 |
3 | 12 |
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1 | 2 | 3 | 1 | 1 | 2 | 2 | 2 | 1 |
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SPRING | 6 | |
FALL | 5 | |
SUMMER | 4 |
United States | 11 | |
Canada | 3 | |
Afghanistan | 1 |